This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2025/05/28 11:13
Universal datetime 2025/05/28 09:13
Latitude 45.47 ° ± 0.4 km
Longitude 3.77 ° ± 0.5 km
Depth 0 km (from location) ± 0.0 km
See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Firminy  42 17135
Montbrison  27 15641
Saint-Just-Saint-Rambert  37 15083
Issoire  42 14822
Andrézieux-Bouthéon  40 9790
Roche-la-Molière  43 9697
Veauche  41 8984
Monistrol-sur-Loire  38 8718
Unieux  39 8597
Brioude  36 6721
Ambert  9 6671
Sury-le-Comtal  33 6552
Aurec-sur-Loire  36 6111
Sainte-Sigolène  43 5959
Montrond-les-Bains  41 5302

Past seismicity

  This map shows only the 50 most significant earthquakes around this event.

Event details

Parameters

Evaluation status preliminary
RMS 0.11
Azimuthal gap 110.54 °
Number of stations used 8
Number of phases used 12

Webservices

The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :

QuakeML GeoJSON Text

Phases

Network Station Phase Time Residual (s) Azimuth (°) Distance (°) Mode
FR SGSF Pg 09:13:42.26 -0.19 194.6 0.44 Manual
FR LBL Pg 09:13:42.44 -0.1 237.34 0.44 Manual
FR LBL Sg 09:13:48.72 0 237.34 0.44 Manual
FR PLDF Pg 09:13:43.62 -0.05 347.88 0.5 Manual
G SSB Pg 09:13:44.96 -0.01 109.36 0.57 Manual
G SSB Sg 09:13:52.84 -0.12 109.36 0.57 Manual
XP FR22A Pg 09:13:49.61 -0.04 178.65 0.83 Manual
FR CHLF Pg 09:13:54.57 0.06 2.54 1.09 Manual
FR CHLF Sg 09:14:09.58 -0.05 2.54 1.09 Manual
FR LEUC Pg 09:13:55.27 0.17 230.97 1.12 Manual
FR BANN Pg 09:13:55.63 0.22 166.05 1.14 Manual
FR BANN Sg 09:14:11.12 -0.09 166.05 1.14 Manual